Results 271 to 280 of about 57,060 (303)
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Can selection to escape nectar thieving force plants to portion nectar in many flowers?

Acta Oecologica, 1999
There are several hypotheses which try to explain why particular plants produce just the number of flowers that they do. These hypotheses include: compromises between the attraction of pollinators and avoiding self-pollination by geitonogamy; optimal nectar production as a result of diminishing gains of nectar production; opportunity for selective ...
openaire   +1 more source

Effect of Nectar Robbery on Phase Duration, Nectar Volume, and Pollination in a Protandrous Plant

International Journal of Plant Sciences, 2002
We examined the effect of nectar robbery on phase duration of a natural population of Impatiens capensis Meerb. (Balsaminaceae), a species with protandrous flowers. We hypothesized that once robbed, a male‐phase flower should switch its sex from male to female because the probability that the flower would receive enough visits to disperse all its ...
Ethan J. Temeles, Irvin L. Pan
openaire   +1 more source

Nectar protein content and attractiveness to Aedes aegypti and Culex pipiens in plants with nectar/insect associations

Acta Tropica, 2015
We chose five easily propagated garden plants previously shown to be attractive to mosquitoes, ants or other insects and tested them for attractiveness to Culex pipiens and Aedes aegypti. Long term imbibition was tested by survival on each plant species.
Zhongyuan Chen, Christopher M. Kearney
openaire   +2 more sources

Plant–pollinator interaction model with separate pollen and nectar dynamics

Journal of Theoretical Biology
The mutualism between plants and pollinators involves the exchange between plant resources and pollen dispersal services among con-specific plants. Since many pollinators are generalist foragers, the quality of pollination is compromised by inter-specific pollen transfer (IPT).
openaire   +3 more sources

Optimal nectar production in a hummingbird pollinated plant

Theoretical Population Biology, 1981
Abstract It is hypothesized that the average rate of nectar production per flower for a population of plants is such than an individual plant which possesses this rate has maximum fitness (i.e., is optimal). This basic hypothesis is used to develop predictions concerning nectar production in scarlet gilia ( Ipomopsis aggregata ), a hummingbird ...
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NECTAR-PRODUCING PLANTS FOR HONEY BEES

Acta Horticulturae, 1996
S. Herbert   +4 more
openaire   +1 more source

Optimal Defense Theory in an ant–plant mutualism: Extrafloral nectar as an induced defence is maximized in the most valuable plant structures

Journal of Ecology, 2021
Eduardo Soares Calixto   +2 more
exaly  

The role of plant–pollinator interactions in structuring nectar microbial communities

Journal of Ecology, 2021
Clara de Vega   +2 more
exaly  

Potential effects of nectar microbes on pollinator health

Philosophical Transactions of the Royal Society B: Biological Sciences, 2022
Valerie Martin, Tadashi Fukami
exaly  

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